December 2018
Beginner to intermediate
404 pages
10h 14m
English
Content preview from Odoo 12 Development Essentials - Fourth Edition
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Extending Models using mixin classes
The main use for prototype inheritance is to support mixin classes. Mixins are abstract Models, based on models.Abstract (instead of models.Model) that have no actual representation in the database. Instead, they provide a set of features that can be reused by (mixed in) other Models.
The Odoo add-ons offer several mixins, but the two most widely used ones are provided by the Discuss app (mail add-on module):
- The mail.thread Model provides features for a message board, found at the bottom or right-hand side of many document forms, as well as the logic regarding messages and notifications. This is something we will often want to add to our Models, so let's learn how to do that.
- The mail.activity.mixin ...
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